Home / 198,058.32-273,315.36-113,175.39

Finding the Fourth Proportional to 198,058.32, 273,315.36 and 113,175.39

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Solution

The fourth proportional to 198,058.32, 273,315.36 and 113,175.39 is: 156,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,058.32 : 273,315.36 = 113,175.39 : x
  2. Step 2: Convert to fraction form
    198,058.32/273,315.36 = 113,175.39/x
  3. Step 3: Cross multiply
    198,058.32x = 273,315.36 × 113,175.39
  4. Step 4: Simplify right side
    198,058.32x = 30,932,572,460.99
  5. Step 5: Solve for x
    x = 30,932,572,460.99/198,058.32
  6. Step 6: Final answer
    x = 156,179.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.